Vanhornia Crawford, 1909

Abe, Junta, Yamagishi, Kenzo & Konishi, Kazuhiko, 2024, Review of the family Vanhorniidae (Hymenoptera: Proctotrupoidea), with the description of two new species, Zootaxa 5507 (3), pp. 427-438 : 428-429

publication ID	https://doi.org/ 10.11646/zootaxa.5507.3.2
publication LSID	lsid:zoobank.org:pub:873ABA0C-039A-4B68-84AC-98E505D95A92
DOI	https://doi.org/10.5281/zenodo.13757840
persistent identifier	https://treatment.plazi.org/id/786787DB-524F-FFEA-5F80-EF2D499EFEF8
treatment provided by	Plazi
scientific name	Vanhornia Crawford, 1909
status

Treatment

Genus Vanhornia Crawford, 1909 View in CoL

Vanhornia Crawford, 1909: 63 View in CoL . Type species: Vanhornia eucnemidarum Crawford, 1909 by original designation. Sincivanhornia He & Chu, 1990: 102 (synonymized by Kozlov (1998)).

Key to world species of Vanhornia View in CoL .

1 Longitudinal ridges on syntergite long, reaching to 0.7–0.8 length of syntergite ( Figs. 4E, F View FIGURE 4 )........ V. leileri Hedqvist, 1976

- Longitudinal ridges on syntergite short, reaching to a maximum of 0.4 length of syntergite ( Fig. 1F View FIGURE 1 )................... 2

2 Frontal transverse carina present ( Fig. 2B View FIGURE 2 ). Mesodiscrimen with approximately six strong foveae ( Fig. 6E View FIGURE 6 ). Longitudinal ridges on syntergite not touching first thyridium ( Fig. 2F View FIGURE 2 )........................................................... 3

- Frontal transverse carina absent ( Figs. 3B View FIGURE 3 and 7B View FIGURE 7 ). Mesodiscrimen with about 10 strong foveae ( Fig. 1D View FIGURE 1 ). Longitudinal ridges on syntergite touching first thyridium ( Figs. 1F View FIGURE 1 and 3F View FIGURE 3 )....................................................... 4

3 Punctures between median ocellus and frontal transverse carina large, larger than punctures on anterior half of head ( Fig. 2C View FIGURE 2 ). Scutoscutellar sulcus with six foveae ( Fig. 2D View FIGURE 2 ). Transverse carina on propodeum incomplete ( Fig. 2E View FIGURE 2 ).. V. formosana sp. nov.

- Punctures between median ocellus and frontal transverse carina small, same size with punctures on anterior half of head ( Fig. 6C View FIGURE 6 ). Scutoscutellar sulcus with five foveae ( Fig. 6D View FIGURE 6 ). Transverse carina of propodeum complete ( Fig. 6F View FIGURE 6 )......................................................................................... V. quizhouensis ( He & Chu, 1990)

4 Scutoscutellar sulcus with seven foveae ( Fig. 7E View FIGURE 7 )............................ V. yurii Timokhov & Belokobylskij, 2020

- Scutoscutellar sulcus with five foveae ( Fig. 1C View FIGURE 1 )............................................................. 5

5 Apical margin of labrum straight ( Fig. 1B View FIGURE 1 ). Median longitudinal carina on dorsal part of propodeum present ( Fig. 1E View FIGURE 1 ). Antero-dorsal margin of syntergite almost straight ( Fig. 1F View FIGURE 1 ). Nearctic ( Canada and USA).. V. eucnemidarum Crawford, 1909

- Apical margin of labrum weakly convex ( Fig. 3C View FIGURE 3 ). Median longitudinal carina on dorsal part of propodeum absent ( Fig. 3E View FIGURE 3 ). Antero-dorsal margin of syntergite concave ( Fig. 3F View FIGURE 3 ). East Palaearctic ( Japan)................... V. hikosanensis sp. nov.